Improvement in harvesters



UNITED vSTATES PATENT OFFICE.,

SAMUEL W. TYLER, OF GREENWIOH, NW YORK.

IMPROVEMENT IN HARVESTERS.

Specification forming part of Letters Patent N0. 23,413, dated March 29, 1859.

To atl lwhom it may concern:

Be it known that I, SAMUEL W. TYLER, of Greenwich, in the county of Washington and State of New York, have invented a new and useful Improvement in the Cutting Apparatus of Harvesting-Machines; and I do hereby declare that the followingis a full and exact description thereof', reference being had to the accompanying drawings, making a part of this specification- Figure l being a top view of a broken sec tion of the said cutting apparatus; Fig. 2, a view of the under side of said section; Fig. 3, a top view of a portion of the iinger-bar detached from the cutter-bar; Fig. et, a section in the line au x of Fig. l; Fig. 5, a section in the line y y of Fig. l; and Fig. 6 is a section through the same line, representing a slightly different shape of the finger d.

Similar letters indicate like parts in each of the drawings.

` My improvement in the cutting apparatusv cessed portion, a, of cast-iron, united to bar h,

of wrought-iron, by the saine bolts, g g, which combine the broad anged heads d' d of the fingers with the under surface of the said bar (Las shown in Figs.2 and 4. iron bar h being let into the recess in the upper surface of the cast portion a of the iinger-bar, and being connected with the continuously-adjoining heads of the lingers on the under surface of the said cast-iron portion of the iinger-bar, produces by the said combinationV a fingered bar of the requisite strength and stiliness when made of only about one-half the usual width given to the finger-bars of harvesters. 4A lateral channel is formed in the front side of the recess in the cast portion a of the finger-bar, which channel receives a projecting lip of corresponding shape formed on the front edge of the sliding cutter-bar b,

The said wrough twhile the after edge of the said cutter-bar fits accurately against the forward edge of the wrought bar h of the finger-bar. The upper edge of the cutter-bar b is iiush with the np-V per edge of the wrought portion h of the linger-bar, and also with the upper surface ofthe lip which rises from the front edge of the cast portion c of said finger-bar. rlhe reciprocating cutting-plates c c are combined with the cutter-bar d by means of countersunk rivets; but they may be combined with the said bar by any other suitable means. The lateral edges of the reciprocating cutter-blades c c being in close contact with each other, and the nnder surfaces of said blades being in close contact with the upper surface of the finger-bar,

it will be perceived that the entrance of any trashy matter beneath the said cutter-blades to clog or obstruct the movements of the cutter-bar b is entirely prevented.

The non-reciprocating cutter-blades 'e e may be combined with the fingers d d by placing the said blades in the finger-molds previous to pouring the melted iron. into the same; or the said blades may be combined with the fingers in any other suitable manner.

The recess in each nger beneath the slit in the cutter-blade, which is combined therewith, may be of either of the shapes represented in the drawings; or a slot may be formed Vin each finger, in lieu of the said recess, for the purpose of allowing the trashy matter which may pass through the vslots in the cutter-blades to freely discharge itself.

The continuously smooth and unobstructed upper surface of the series of reciprocating cutter-blades, taken in connection with the exceedingly-narrow iinger-bar upon which they 'are operated, enables the cut grass to so freely discharge itself therefroln that it is not necessary to use a reel with this machine when it is used for the harvesting of grass.

I shall sometimes employ steel or brass instead of wrought-iron for the portion -h of thc A finger-bar.

Having thus fully described my improvements in the cutting apparatusof harvestingmachines, what I claim therein as new, and desire to secure by Letters Patent, is

Giving such a shape to the portions a and h of the finger-bar and to the flanged portions The above specification of my improvement Vin harvesting-machines signed and witnessed this 6th day of Oetober, 1858.

S. W. TYLER.

or heads of the fingers d d that the' same set of rivets will unite all the said parts with` each other into a. fingered bar of unusual stiness, strength, and narrowness, and at the saine time form a dovetail groove for the reception and guidance of tbe cutter-bar, substantially as herein set forth.

' Witnesses Z. C. ROBBINS, J. QUINCY ADAMS. 

